Avidyne Entegra EXP5000 Instructions d'exploitation télécharger pdf (Page 47)

Flying with the EXP5000

600-00157-000 Rev. 06 -41- Entegra EXP5000 PFD

AP (Autopilot) and FD (Flight Director) Modes

The EXP5000 supports the AP (Autopilot) and FD (Flight Director)

modes for S-Tec 1500 autopilots. In FD-equipped aircraft, single-cue

FD steering command bars display the flight profile commanded by

the autopilot. The FD steering command bars indicate how to fly the

aircraft to achieve the path commanded by the autopilot.

Engage the AP and FD modes as described in the S-Tec 1500

documentation. They can not be engaged from the PFD.

The presence of the FD steering command bars (magenta) reflect the

AP and FD mode:

● AP (Autopilot) Mode - There are no Flight Director steering

command bars. The autopilot flies the aircraft.

● FD (Flight Director) Mode - In FD mode, the FD steering

command bars show you where to steer, but you need to fly the

aircraft so that the Aircraft Reference Symbol (ARS) is tucked

into the FD steering command bars.

● AP/FD (Full Autopilot) Mode - In AP/FD mode, the autopilot flies

the aircraft, precisely tucking the ARS into the FD steering

command bars.

The FD steering command bars are limited to +/- 30° in roll and +/-

15° in pitch with respect to the aircraft reference symbol.

Autopilot Operation During a PFD Failure

Note: The autopilot can be coupled only to a Nav source selected on

the PFD; it cannot be coupled to a Bearing source.

Note: A small amount of jitter in the FD steering command bars is

considered normal.

S-TEC 1500 Autopilot Operation During PFD Failures

The S-TEC 1500 requires a dual-PFD installation to operate.

If either PFD fails, the autopilot cannot be engaged.

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Avidyne Entegra EXP5000 Instructions d'exploitation Page 47